Illumination apparatus, display apparatus, and electronic device

Abstract

An illumination apparatus includes: a light guiding plate; a plurality of light-emitting elements disposed along a side-end surface of the light guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements having a light-emitting surface facing toward the side-end surface; a light source substrate that extends along the light-entry portion and has the plurality of light-emitting elements disposed thereon on one surface side that faces the light-entry portion; and a connector member, held on another surface side of the light source substrate that opposes the one surface side, for supplying power to the plurality of light-emitting elements.

What is claimed is: 
     
       1. An illumination apparatus comprising:
 a light guiding plate; 
 a plurality of light-emitting elements disposed along a side-end surface of the light guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements having a light-emitting surface facing toward the side-end surface; 
 a light source substrate that extends along the light-entry portion and has the plurality of light-emitting elements disposed thereon on one surface side that faces the light-entry portion; 
 a first connector member, held on another surface side of the light source substrate opposite to the one surface side, the first connector member overlapping at least a part of the light-entry portion when viewed from a direction normal to the side-end surface; 
 a second connector member not held on the another surface side of the light source substrate and configured to attach to the first connector member, the second connector member configured to supply power to the plurality of light-emitting elements through the first connector member; and 
 a frame covering a rear surface of the light guiding plate, the frame including a frame side positioned opposite to the another surface with respect to the light guiding plate in a plan view that is a direction normal to the light guiding plate, 
 the first connector member being disposed between the light source substrate and an extended line of the frame side in the plan view. 
 
     
     
       2. The illumination apparatus according to  claim 1 , wherein the light-entry portion extends in a linear shape. 
     
     
       3. The illumination apparatus according to  claim 1 ,
 wherein the light source substrate includes a support plate that configures the another surface side and a flexible wiring board that has a first part affixed to the support plate on the one surface side and a second part extending along the support plate and over an end thereof; and 
 the second part of the flexible wiring board is bent back toward the another surface side and connected to the connector member without being affixed to the one surface side of the support plate. 
 
     
     
       4. The illumination apparatus according to  claim 3 , wherein the support plate is a metal plate. 
     
     
       5. The illumination apparatus according to  claim 1 , wherein the connector member is provided further toward an end portion of the light source substrate in a lengthwise direction thereof than a light-emitting element that, of the plurality of light-emitting elements, is located furthest toward the end portion. 
     
     
       6. The illumination apparatus according to  claim 1 , wherein the connector member is provided within a range of a lengthwise direction of the light source substrate in which the plurality of light-emitting elements are disposed. 
     
     
       7. The illumination apparatus according to  claim 1 , wherein a plurality of connector members are held on the another surface side of the light source substrate. 
     
     
       8. A display apparatus provided with the illumination apparatus according to  claim 1 , the display apparatus comprising:
 a display panel disposed overlapping a light-emitting surface side of the light guiding plate. 
 
     
     
       9. An electronic device comprising the display apparatus according to  claim 8 . 
     
     
       10. An illumination apparatus comprising:
 a light guiding plate; 
 a plurality of light-emitting elements disposed along a side-end surface of the light guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements having a light-emitting surface facing toward the side-end surface; 
 a light source substrate that extends along the light-entry portion and has the plurality of light-emitting elements disposed thereon on one surface side that faces the light-entry portion; 
 a first connector member having a protruding portion protruding from another surface side of the light source substrate opposite to the one surface side, the first connector member overlapping at least a part of the light-entry portion when viewed from a direction normal to the side-end surface; 
 a second connector member configured to attach to the protruding portion to supply power to the plurality of light-emitting elements; and 
 a frame covering a rear surface of the light guiding plate, the frame including a frame side positioned opposite to the another surface with respect to the light guiding plate in a plan view that is a direction normal to the light guiding plate, 
 the first connector member being disposed between the light source substrate and an extended line of the frame side in the plan view. 
 
     
     
       11. The illumination apparatus according to  claim 10 , wherein the connector member is provided further toward an end portion of the light source substrate in a lengthwise direction thereof than a light-emitting element that, of the plurality of light-emitting elements, is located furthest toward the end portion. 
     
     
       12. The illumination apparatus according to  claim 10 , wherein the connector member is provided within a range of a lengthwise direction of the light source substrate in which the plurality of light-emitting elements are disposed. 
     
     
       13. A display apparatus provided with the illumination apparatus according to  claim 10 , the display apparatus comprising:
 a display panel disposed overlapping a light-emitting surface side of the light guiding plate. 
 
     
     
       14. An electronic device comprising the display apparatus according to  claim 13 . 
     
     
       15. An illumination apparatus comprising:
 a light guiding plate; 
 a plurality of light-emitting elements disposed along a side-end surface of the light guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements having a light-emitting surface facing toward the side-end surface; 
 a light source substrate that extends along the light-entry portion and has the plurality of light-emitting elements disposed thereon on one surface side that faces the light-entry portion; 
 a connector member, held on another surface side of the light source substrate opposite to the one surface side, the connector member overlapping at least a part of the light-entry portion when viewed from a direction normal to the side-end surface; 
 a support plate formed between the one surface side and the another surface side; and 
 a frame covering a rear surface of the light guiding plate, the frame including a frame side positioned opposite to the another surface with respect to the light guiding plate in a plan view that is a direction normal to the light guiding plate, 
 the first connector member being disposed between the light source substrate and an extended line of the frame side in the plan view. 
 
     
     
       16. The illumination apparatus according to  claim 15 , wherein the connector member is provided further toward an end portion of the light source substrate in a lengthwise direction thereof than a light-emitting element that, of the plurality of light-emitting elements, is located furthest toward the end portion. 
     
     
       17. The illumination apparatus according to  claim 15 , wherein the connector member is provided within a range of a lengthwise direction of the light source substrate in which the plurality of light-emitting elements are disposed. 
     
     
       18. A display apparatus provided with the illumination apparatus according to  claim 15 , the display apparatus comprising:
 a display panel disposed overlapping a light-emitting surface side of the light guiding plate. 
 
     
     
       19. An electronic device comprising the display apparatus according to  claim 18 .